On 30 December 2019, ophthalmologist Li Wenliang shared a diagnostic report and messages in a private WeChat group warning fellow doctors about seven suspected SARS cases linked to Wuhan’s Huanan Seafood Market. He asked recipients to alert relatives while exercising discretion, but screenshots circulated publicly. On 3 January 2020, Wuhan police interrogated Li and seven other doctors, issued him a written admonition for publishing allegedly false statements, and warned that continued conduct could lead to prosecution. The warning was also publicized by state media, according to reporting cited in the source.
The outbreak was later identified as SARS-CoV-2 rather than SARS, while the Supreme People’s Court said on 4 February that the citizens should not have been punished because their statements were not entirely false. Li contracted COVID-19 while treating a patient and died at Wuhan Central Hospital on 7 February 2020, aged 34. Following public anger and online demands for freedom of speech, an official inquiry exonerated him; Wuhan police apologized to his family and revoked the admonition on 19 March. The government later designated Li a martyr, but censorship removed related hashtags and posts, leaving his case as a lasting example of how information controls and institutional fear impeded early public-health warnings.